Answer: 120 ounces of gas
Step-by-step explanation: Given: 40 ounces of gas to 1 ounce of oil
We need to find: __ ounces of gas to 3 ounces of oil
What we know:
1 × 40 = 40 ounces of gas
2 × 40 = 80 ounces of gas
3 × 40 = 120 ounces of gas
So, all you needed to do was multiply 3 times 40 to get 120 ounces of gas.
Conclusion: The answer is 120 ounces of gas.